VTMO 2026 - Grade 7 - Semifinal - SET 3 - Self-study Question 2

Question 2

Among the following numbers, which is irrational? $\sqrt{(-2)^4}$; $\sqrt{3\dfrac1{16}}$; $\dfrac{\sqrt{\pi^2}}{|{-\pi}|}$; $\sqrt{2250}$; $(\sqrt3)^4$.

$\sqrt{(-2)^4}$
$\sqrt{3\dfrac1{16}}$
$\dfrac{\sqrt{\pi^2}}{|{-\pi}|}$
$\sqrt{2250}$
$(\sqrt3)^4$